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| Criterion |  Innovation Lean Startup |  Engineering Hypothesis-Driven Troubleshooting |  Product Strategy Lean Canvas |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | Wochen bis Monate je Lernzyklus | 30-240 min | 45-90 min | 15-30 min |
Participantsdifferent | 2-8 | 1-6 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Lean Canvas, Core Assumptions, Experiment Backlog | Root cause notes, Countermeasures |
Tagsno overlap | LeanStartupValidationMVP | TroubleshootingProblem solvingDiagnosis | StartupLeanAssumptionsBusiness model | Root causeIncidentLeanProblem solving |